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Piston Assembly - 66.35mm Bore - NX-10026-B

  • Part #:
    131731SB
  • Mfg Part #:
    NX-10026-B
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Piston Assembly - 66.35mm Bore - NX-10026-B

  • Part #:
    131731SB
  • Mfg Part #:
    NX-10026-B
MSRP: $87.95

Price: $79.16 10% off!
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Namura Piston Assembly - 66.35mm Bore - NX-10026-B
  • High-performance Namura pistons are engineered in the USA, manufactured in Taiwan
  • High-silicon content Hypereutectic cast aluminum material for less heat expansion, tighter clearances, increased hardness, longer life and reduced scuffing
  • Features machined, smooth piston crowns for reduced carbon buildup, increased horsepower and fuel economy
  • Hard anodized crowns are 75% stronger than non-anodized, providing minimal expansion and reducing the chance of cold seizures when combined with Teflon/Molybdenum coated skirts
  • MOS2 (Teflon/Molybdenum) coated skirts perform at the highest standards, reducing friction and heat for added power and longevity
  • Namura rings match the OEM design except as noted
  • -B (.0004 in.) and -C (.0008 in.) fractional oversize pistons, available for some applications, extend the life of your expensive cylinder by renewing the original clearance if it's slightly worn, avoiding an expensive sleeve installation
  • Piston assemblies include ring(s), wrist pin and circlips

NOTE: Nikasil Bore; cylinder sleeving or replatling required for oversizes

 


For replacement rings order PART NO. 13-1731SR

Specifications
Part #: 131731SB
Mfg #: NX-10026-B
Bore Size 66.35 mm
Type Piston Assembly
Type Piston w/Ring Set
Units Each
Weight 0.75 lbs
Fitment for Namura Piston Assembly - 66.35mm Bore - NX-10026-B

Part 131731SB fits the following machines

Honda
  • CR250R 1986-1996
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awesome product
product is good for the price. If you are an extreme rider you might want to with a different piston.
December 16, 2015
Gas City, IN